revid: added code to deal with Input var

revid/revid.go

@@ -423,6 +423,13 @@ func (r *Revid) Update(vars map[string]string) error {
 	//look through the vars and update revid where needed
 	for key, value := range vars {
 		switch key {
+		case "Input":
+			v, ok := map[string]uint8{"raspivid": Raspivid, "rtsp": RTSP}[strings.ToLower(value)]
+			if !ok {
+				r.config.Logger.Log(logger.Warning, pkg+"invalid input var", "value", value)
+				break
+			}
+			r.config.Input = v
 		case "Saturation":
 			s, err := strconv.ParseInt(value, 10, 0)
 			if err != nil {